5186667840 has 112 divisors (see below), whose sum is σ = 16482901248. Its totient is φ = 1381832704.

The previous prime is 5186667833. The next prime is 5186667907. The reversal of 5186667840 is 487666815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1517974 + ... + 1521386.

Almost surely, 2^5186667840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5186667840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8241450624).

5186667840 is an abundant number, since it is smaller than the sum of its proper divisors (11296233408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5186667840 is a wasteful number, since it uses less digits than its factorization.

5186667840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016 (or 5006 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 5186667840 is about 72018.5242836869. The cubic root of 5186667840 is about 1730.9963231989.

The spelling of 5186667840 in words is "five billion, one hundred eighty-six million, six hundred sixty-seven thousand, eight hundred forty".